Version 1.0, 2022/07/21, Bernhard R. Fischer <bf@abenteuerland.at>. Original Source: https://github.com/rahra/onioncat/blob/master/doc/INTRO_TO_ONIONCAT4.txt ABSTRACT Since the beginning of the development of OnionCat in 2008 a lot has changed. Most importantly this is the replacement of Tor’s hidden services version 2 by the new hidden services version 3. This had a severe impact on the functionality of OnionCat. This …